2540534988 has 48 divisors (see below), whose sum is σ = 6077869056. Its totient is φ = 825459840.

The previous prime is 2540534981. The next prime is 2540535001. The reversal of 2540534988 is 8894350452.

It is a super-3 number, since 3×2540534988³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2540534981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1013745 + ... + 1016247.

It is an arithmetic number, because the mean of its divisors is an integer number (126622272).

Almost surely, 2^2540534988 is an apocalyptic number.

It is an amenable number.

2540534988 is an abundant number, since it is smaller than the sum of its proper divisors (3537334068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2540534988 is a wasteful number, since it uses less digits than its factorization.

2540534988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4614 (or 4612 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The square root of 2540534988 is about 50403.7199817633. The cubic root of 2540534988 is about 1364.5047760086.

The spelling of 2540534988 in words is "two billion, five hundred forty million, five hundred thirty-four thousand, nine hundred eighty-eight".